Magnetic Sealing Arrangement with Securing Mechanism

ABSTRACT

Provided is a sealing arrangement for sealing an opening that is formed between a first closing portion and a second closing portion. The sealing arrangement includes a first sealing part for arrangement on the first closing portion and a second sealing part for arrangement on the second closing portion. The sealing arrangement includes an additional securing mechanism via which a closure compound is secured, which is disposed in a sealing position and includes a first and a second sealing part.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is the United States national phase of InternationalPatent Application No. PCT/EP2022/055413, filed on Mar. 3, 2022, andclaims priority to German Patent Application No. 10 2021 202 821.7,filed on Mar. 23, 2021, the disclosures of which are hereby incorporatedby reference in their entireties.

BACKGROUND OF THE INVENTION Field of the Invention

The proposed solution relates to a sealing arrangement for sealing anopening that is formed between a first closing portion and a secondclosing portion.

Description of Related Art

The closing portions can be parts of a storage device. Via the openingsealed by means of the sealing arrangement, a cavity in a hollow body ofthe storage device can then be sealed. Such a storage device is providedfor example for receiving an object, for example an electronic objectsuch as a mobile phone, a camera of a tablet or laptop computer or thelike or also another object of daily life, for example a wallet or ameans of payment such as a credit card. Such a storage device serves toreceive and protect objects, in particular against moisture or dirt oralso other external influences. This is to enable objects to be carriedin difficult environments, such as during water sports, but also, forexample, at work.

Such a hollow body then includes a cavity, for example formed between afirst wall and a second wall, in which the object to be received in thestorage device can be stored. For sealing the hollow body, the sealingarrangement then is provided, which comprises a first sealing part and asecond sealing part. In one design variant, the first sealing partincludes a first strip body longitudinally extended along a transversedirection and is arranged on a first closing portion of the first wall,and the second sealing part includes a second strip body longitudinallyextended along the transverse direction and is arranged on a secondclosing portion of the second wall. The first sealing part and thesecond sealing part cooperate in a magnetically attracting manner insuch a way that in a closed position, in which the hollow body issealed, the first closing portion and the second closing portion restagainst each other. Such a storage device is known for example from EP 2571 391 B1.

In this context it is also known that in a closed position of thesealing arrangement the first and second sealing parts form a closurecompound that can be adjusted from a release position into a sealingposition. In the release position of the closure compound, the first andsecond closing portions can again be properly separated from each otheragainst a magnetic force applied by the first and second sealing parts,in order to clear the opening. In the sealing position, the closurecompound and a third sealing part cooperate in a magnetically attractingmanner in such a way that the closure compound is maintained in thesealing position, in which clearing of the opening is not possible.Consequently, the closure compound must first be adjusted from thesealing position into the release position in order to again clear theopening. An adjustment of the closure compound into the sealing positionis effected for example by folding or rolling the closure compound atleast once so that by means of the third sealing part the closurecompound then is maintained in a folded or rolled sealing position.

Although via the magnetic securement between closure compound and thirdsealing part the sealing arrangement is effectively secured againstinadvertent opening on the part of a user and a comparatively simplehandling is ensured, a further need of improvement exists in such asealing arrangement. In particular with regard to increased loads actingon the sealing arrangement, for example due to an increased internalpressure in a cavity sealed by the sealing arrangement, (increased)shear forces may act on the sealing parts of the sealing arrangement,which possibly cause a removal of the closure compound from the thirdsealing part and/or a separation of the first and second closingportions from each other.

SUMMARY OF THE INVENTION

In this respect, a sealing arrangement as described herein represents animprovement over the solutions known from the prior art.

A proposed sealing arrangement comprises an additional securingmechanism, via which the closure compound disposed in a sealing positionis additionally secured against removal from a sealing position.

According to a first aspect of the proposed solution, the sealingarrangement on a first closing portion additionally comprises a thirdsealing part with which the closure compound in its sealing positioncooperates in a magnetically attracting manner. Via the additionalsecuring mechanism, the sealing position can additionally be securedmechanically so that the securing mechanism prevents an inadvertentremoval of the closure compound from the third sealing part.

In principle, however, the proposed solution also is advantageouswithout such a third sealing part cooperating with the closure compoundin a magnetically attracting manner. Correspondingly, a second aspect ofthe proposed solution provides a sealing arrangement in which theclosing portions can be adjusted into the sealing position by folding orrolling at least once, and the securing mechanism secures the closurecompound against removal from its sealing position taken in this way dueto an increased internal pressure in a hollow body that is sealed at theopening by the sealing arrangement. A proposed sealing arrangement (inparticular independently of a third sealing part magneticallycooperating with the closure compound) was found to be advantageous inorder to secure a sealing position taken by folding or rolling at leastonce against inadvertent opening, when due to an increased internalpressure shear and/or lifting forces act on the first and second sealingparts on a hollow body sealed by the sealing arrangement. Via anadditional securing mechanism, it here is possible to effectivelycounteract in particular shear forces which in a middle portion of thestrip bodies of the first and second sealing parts act in a directionperpendicular to a direction of longitudinal extension of the stripbodies, and/or lifting forces which act on the closure compound at thelongitudinal ends and by action of which the sealing parts strive tomove away from each other.

Regardless of a design variant according to the first or second aspectof the proposed solution, the securing mechanism in the sealing positionaccordingly can be adapted to

-   -   counteract a lifting force acting on the first and second strip        bodies at the longitudinal ends and resulting from the increased        internal pressure, by action of which mutually opposite        longitudinal ends of the first and second strip bodies strive to        move away from each other, and/or    -   counteract a shear force resulting from the increased internal        pressure, which in a middle area of the first and second strip        bodies acts on the sealing arrangement in a plane extending        parallel to the first and second closing portions.

Accordingly, the securing mechanism in particular can be adapted tocounteract a shear force that acts between the first and second sealingparts, between the closure compound and a third sealing part, or betweenthe closure compound and a wall which the closure compound faces in thesealing position.

The proposed solution proceeds from the underlying idea to additionallymechanically secure the closure compound in its sealing position againsta displacement into the release position with the closing portionsresting against each other in the closed position, in any case as longas no release force applied by a user acts on the closure compound alonga particular, specified direction of action. In this way, in particularan inadvertent opening of the closure compound can be prevented. Thus,the additional securing mechanism can be actuated manually and hence canbe released in order to be able to again adjust the closure compoundinto the release position.

Without a deliberate release of the securing mechanism on the part ofthe user, the closure compound however remains blocked against anadjustment into the release position. Via the first and second sealingparts with their strip bodies, a (possibly sealing) termination thus isprovided at the closing portions, which is mechanically secured via thesecuring mechanism. Thus, removal from the sealing position, againstwhich a mechanical protection is provided via the securing mechanism,thus not only is understood to be an inadvertent removal by a useractively acting on the sealing arrangement, but in particular an (atleast partial) removal from the sealing position, which results from aload acting on the sealing arrangement, which is not applied by a user.

In the sealing position, the first and second closing portions can bepresent in folded or rolled form, in particular in that the first andsecond closing portions and hence walls including the closing portionsare bent over by 180° at least once, as seen along a path of extensionin a cross-section perpendicular to the transverse direction.

The strip bodies are arranged on the closing portions and thus act onthe closing portions, wherein the sealing parts cooperate in amagnetically attracting manner and the closing portions thus aremagnetically held in contact with each other when the first and secondsealing parts are in their closed position.

To provide a magnetic interaction, the first strip body and/or thesecond strip body can each be formed of a magnetic material, for examplein that the strip bodies are formed of a plastic material, in particulara polymer material, or a silicone material to which a magnetic materialin the form of magnetic particles is admixed. Alternatively, the stripbodies can each receive a magnet arrangement of discrete magneticelements so that the strip bodies cooperate in a magnetically attractingmanner by interaction of the magnet arrangements. It is conceivable thateach sealing part acts as a permanent magnet, for example in that thestrip bodies are formed with permanent magnetic particles and thus aremade of a permanent magnetic material, or in that the magnetarrangements of the sealing parts are each formed of an arrangement ofpermanent magnets. Alternatively, however, it is also possible that onesealing part acts as a permanent magnet and the other sealing part actsas a ferromagnetic armature, for example in that the ferromagneticallyacting sealing part has a strip body of a ferromagnetic material (forexample of a plastic material to which ferromagnetic particles areadmixed) or includes discrete ferromagnetic elements.

When a sealing part includes a magnet arrangement of discrete magneticelements, the discrete magnetic elements for example can be lined uplinearly along the transverse direction, wherein the discrete magneticelements for example can be regularly spaced apart from each other alongthe transverse direction. It is also conceivable and possible, however,to arrange the discrete magnetic elements in rows and columns withreference to a two-dimensional matrix.

In principle, a third sealing part also can include a third strip bodyextended along the transverse direction. For example, the third sealingpart is arranged on an offset portion of a first wall, which isdifferent from the first closing portion. In the closed position, thethird sealing part for example can cooperate with the first sealing partin a magnetically attracting manner in order to hold the closurecompound in the sealing position.

The third sealing part can be arranged spatially offset from the firstclosing portion perpendicularly to the transverse direction. In such adesign variant, the third sealing part thus is designed with its thirdstrip body extending parallel to the first strip body of the firstsealing part, but offset transversely to the first sealing part.

In the closed position, the third strip body and the first strip bodyfor example can be in flat opposition to each other with surfaces facingeach other. The sealing parts cooperate in a magnetically attractingmanner so that the first sealing part is held in a defined positionalrelation to the third sealing part.

In one design variant, the first strip body and/or the second strip bodyand/or a third strip body of a third sealing part are of elastic design.A strip body for example can have an increased rigidity with respect towalls of a hollow body at which the closure device is inserted, but atthe same time is so elastic that it can be bent, in particular about avertical direction perpendicular to the transverse direction.

Via the securing mechanism, an additional connection between the closurecompound and a wall connected to the first closing portion and/orbetween the closure compound and the third sealing part can be providedwhen the closure compound is disposed in the sealing position. Aconnection between the closure compound and the third sealing part forexample includes the fact that in the sealing position a connectionbetween the first sealing part and the third sealing part or between thesecond sealing part and the third sealing part is provided via thesecuring mechanism. The additional connection provided via the securingmechanism can be of the positive type and be provided for absorbingshear forces acting on the sealing arrangement.

For example, the securing mechanism includes at least one securing partwhich via a positive connection secures the closure compound againstremoval from the third sealing part. The positive connection inprinciple can exist already in the sealing position of the closurecompound. However, this also includes a design variant in which apositive connection for securing the closure compound against removalfrom the third sealing part only exists when a certain load acts on thesealing arrangement.

In a development, the securing mechanism includes at least two securingparts which in the sealing position of the closure compound positivelycooperate with each other in order to secure the closure compoundagainst removal from the third sealing part. These at least two securingparts likewise can positively get into engagement with each otheralready on reaching of the sealing position by the closure compound or,alternatively, can at least be brought into a relative position to eachother, in which under a load acting on the sealing arrangement thepositive engagement of the two securing parts into each other isrealized automatically.

In a development based thereon, a first securing part and a secondsecuring part are provided, wherein the first securing part is adaptedto engage behind the second securing part in order to secure the closurecompound against removal from the third sealing part. By correspondinglyengaging behind and hence by an undercut formed on the securingmechanism, an effective positive securement of the two securing parts toeach other on the one hand can be ensured. On the other hand, it canthereby also be achieved comparatively easily that the securing partscan again be brought out of engagement only by a targeted releasemovement. An inadvertent separation of the securing parts, in particularin a loaded state of the sealing arrangement, thus is excluded.

In principle, a securing part of the securing mechanism can also beformed on one of the sealing parts. Alternatively or additionally, asecuring part can be formed by a component of the sealing arrangementseparate from a sealing part.

In one design variant, the sealing arrangement comprises at least onemagnetic element by action of which at least one securing part of thesecuring mechanism is positioned in a securing position in which the atleast one securing part can block the closure compound against removalfrom the third sealing part via a positive connection. A correspondingmagnetic element here can also be formed by magnetic material in theform of magnetic particles. Alternatively, a magnetic element cancomprise a permanent magnet that is arranged at a corresponding point onthe sealing arrangement.

In a securing position, in which a securing part of the securingmechanism is positioned by action of at least one magnetic element, thesecuring part can already be in positive engagement in order to securethe closure compound against being adjusted into the release position.It can, however, also be provided that the securing part in its securingposition still is disposed in an intermediate position from which thesecuring part only is displaced into an engagement position by action ofan additional load on the sealing arrangement, in which engagementposition the blocking positive engagement then exists.

One design variant furthermore provides that by action of the at leastone magnetic element the at least one securing part also is adjustedinto the securing position already on transfer of the closure compoundinto its sealing position. Thus, the at least one magnetic elementensures that the at least one securing part is disposed in its securingposition when the closure compound reaches the sealing position.

In an alternative design variant, the at least one securing part can beadjusted into its sealing position only after transfer of the closurecompound and hence subsequently in the direction of the securingposition. This subsequent adjustment can then be supported by the atleast one magnetic element—at least in a last piece of an adjustmentpath before reaching the securing position—in order to support thetaking of a specified position by the at least one securing part in thesecuring position by magnetic attraction.

In principle, an additional positive connection can be provided betweenthe closure compound and a wall to which the first closing portion isconnected, in order to secure a taken engagement position. For example,one design variant therefor provides at least one form-fit element onthe side of the closure compound, e.g. in the form of a latching nose ora latching web, which engages into a wall-side latching opening when thesecuring part is disposed in the engagement position.

In one design variant, an additional securing element is provided on theclosure compound, to which at least one securing part of the securingmechanism is fixed at a distance to the first and second sealing parts.The securing element for example has a flexible or rigid carrier body towhich the at least one securing part is fixed. For example, the securingpart is provided offset from the first and second sealing parts in aspatial direction that extends transversely to the direction ofextension of the strip bodies of the first and second sealing parts. Viathe securing part provided on the additional securing element, amechanical arrestment of the closure compound in the sealing positioncan thus be provided at a distance to the first and second sealing partsand possibly also at a distance to the third sealing part. Referring toa variant already mentioned above, this for example includes the factthat the securing part provided on the additional securing element formsa first securing part, which in the sealing position of the closurecompound is positively connected to a second securing part that isprovided on a wall connected to the first closing portion and inparticular is fixed thereto. The first and second securing parts inparticular can form part of a magnetic closure via which the closurecompound in its sealing position is additionally secured against anadjustment into the release position.

In one design variant, the securing mechanism includes at least onesecuring part which after the transfer of the closure compound into itssealing position by pivoting about at least one joint axis can beadjusted into a securing position securing the closure compound. In thesecuring position, the at least one securing part consequently securesthe closure compound disposed in its sealing position against removalfrom the third sealing part. Pivoting of the securing part about itsjoint axis into its securing position here can be provided after theclosure compound has been adjusted into the sealing position. In thisdesign variant, the at least one securing part then for examplesubsequently is specifically pivoted into its securing position by auser in order to additionally secure the closure compound.

The joint axis for example can be defined by a joint via which the atleast one securing part is articulated to the closure compound, to athird sealing part of the sealing arrangement, or to a wall connected tothe first or second closing portion. In the latter case, the securingpart thus can be articulated to a front, first or rear, second wallalong a viewing direction (extending perpendicularly to the longitudinalextension of the first and second strip bodies) onto the closurecompound disposed in its sealing position.

For example, the joint axis is defined by a film hinge or a film. Via afilm hinge or a film, a pivotable securing part can be provided on thesealing arrangement at comparatively low cost. For example, the filmdefining the joint axis can be a portion of a wall, to which one of theclosing portions is connected.

To keep the sealing arrangement as compact as possible, one designvariant provides that via the film hinge the at least one securing partis connected to the third sealing part. Via the film hinge, the at leastone securing part then consequently is articulated to the third sealingpart and consequently need not be provided on a separate component.

Via the at least one securing part disposed in its securing position, aconnection absorbing form-fitting forces and hence in particular shearforces and/or lifting forces in one design variant is provided betweenthe closure compound disposed in the sealing position and the thirdsealing part. Via the film hinge, the securing part for example can alsobe pivoted relative to a third strip body of the third sealing part intoits securing position and can then be positively connected to theclosure compound, after the closure compound has taken the sealingposition. Via the film hinge, the securing part can be provided at alongitudinal end of the third strip body. For example, the securing partis of tab-shaped, in particular strip-shaped design.

For a positive connection via the securing part in the securing positionpivoted about the joint axis, at least one receptacle can be provided onthe at least one securing part, into which a further securing part ofthe securing mechanism positively engages in the securing position. Forexample, an opening therefor is provided in the securing part, intowhich a protruding pin or web of the further securing part engages inthe securing position. Alternatively or additionally, at least oneform-fit element can be provided at the at least one securing part,which in the securing position engages into a receptacle of a furthersecuring part of the securing mechanism. A corresponding form-fitelement then can be formed by a pin or web here as well, which isinserted into a corresponding receptacle of a further securing part. Afurther securing part as mentioned above can be formed in particular ona sealing part of the closure compound, i.e. for example on the firstsealing part.

Alternatively or additionally, the securing mechanism can include atleast one securing part for the targeted mechanical securing of ends ofthe closure compound present on the long side (with respect to adirection of longitudinal extension of the strip bodies and hence to thetransverse direction) on a wall or on a third sealing part. Suchsecuring on the side of the longitudinal ends above all counteractslifting off vertically, possibly in addition counteracts shearing. Asecuring part to be used for this purpose for example in particularincludes an articulated securing part as already mentioned above.However, this also refers to an alternative design variant in which forexample a securing part is formed with a Velcro tape, an O-ring or asleeve put over a longitudinal end.

As already mentioned above, the closure compound with the first andsecond sealing parts disposed in the closed position can be transferredfrom the release position into the sealing position by pivoting theclosure compound about a pivot axis parallel to a first spatialdirection (e.g. with respect to a Cartesian coordinate system of thex-direction). The closure compound here consequently is folded about thepivot axis parallel to the first spatial direction, for example by about180°. A (resultant) magnetic force for holding the closure compound inits sealing position with respect to the third sealing part then actsalong a spatial axis that is parallel to a second spatial direction (y)extending perpendicularly to the first spatial direction. Via thesecuring mechanism in such a variant, the closure compound is securedagainst removal from the third sealing part due to shear force, i.e.against removal due to a shear force pointing in a third spatialdirection (−z), which is both perpendicular to the first spatialdirection (x) and perpendicular to the second spatial direction (y).Consequently, when a shear force pointing in the third spatial directionacts on the closure compound, the closure compound is secured via thesecuring mechanism against a displacement into this spatial directionand hence against a displacement into the release position.

For example, the closure compound can be folded from the releaseposition into the sealing position, in which the securing mechanism thensecures the closure compound against a displacement relative to thethird sealing part beyond a permitted degree along the third spatialdirection, and hence also against being folded back. This third spatialdirection is just opposite to a directional component along which theclosure compound is folded into the sealing position. The securingmechanism thereby can also prevent lifting or shearing of the closurecompound off from the third sealing part as a result of a load appliedonto the sealing arrangement, for instance a load resulting from anincreased internal pressure in a cavity sealed by the sealingarrangement.

One design variant provides that a securing part, which blocks theclosure compound against an adjustment along the third spatialdirection, initially is disposed in an intermediate position when theclosure compound reaches the sealing position, and only then can bedisplaced into an engagement position. It can be provided here that dueto magnetic attraction the securing part of the securing mechanism(merely) is positioned in the intermediate position when the closurecompound is transferred into its sealing position.

In one variant, again alternatively or additionally, the displacementinto the engagement position, in which for example the one securing partengages behind another securing part of the securing mechanism, can besupported by at least one (additional) magnetic element. There can beprovided at least one magnetic element, by action of which the at leastone securing element is adjusted from the intermediate position into theengagement position. When the closure compound has taken its sealingposition and hence the securing part is in the intermediate position, afurther adjustment of the securing part into the engagement positionconsequently is supported by action of a magnetic force.

The magnetically supported adjustment from the intermediate positioninto the engagement position also can include the fact that via a magnetarrangement of the securing mechanism a bistable state is specified forthe position of the securing part, when the closure compound is in itssealing position. The securing part then initially is held in theintermediate position via the magnet arrangement. However, when a loadvia which the closure compound would be moved in the direction of therelease position is acting on the sealing arrangement, a related minordisplacing movement of the securing part leads to a change in magneticelements having an attracting effect on each other, and as a result to amagnetically supported displacement of the securing part into theengagement position. This in particular includes the fact that asecuring mechanism is adapted to permit a minor displacing movement ofthe securing part in the direction of action of the shear force byaction of a shear force acting on the closure compound, which thenhowever leads to the magnetically supported displacement of the securingpart into the engagement position.

Independent of whether the securing part is moved from the intermediateposition into the engagement position with magnetic support, one designvariant can provide that the at least one securing part can be displacedfrom the intermediate position into the engagement position by action ofan increased internal pressure in a cavity accessible via the opening.The securing mechanism consequently is configured here in such a waythat the securing part is automatically displaced into the engagementposition when an increased internal pressure, i.e. a pressure exceedinga threshold value, is acting in the cavity. Such a variant in particularis advantageous when the sealing arrangement is to be used to seal acavity on a liquid reservoir with flexible walls. After filling liquidinto the cavity, in particular during transport or under a load, aninternal pressure can increase to such an extent that the securing parton the securing mechanism of the sealing arrangement automatically isdisplaced from the intermediate position into the engagement position.In such a design variant of the proposed sealing arrangement, a sealingposition of the closure compound consequently is automatically, i.e.without the user acting on the securing mechanism, additionallymechanically secured against an adjustment into the release position.After the elimination of the load on the liquid reservoir, a return ofthe securing part into the intermediate position can then also beeffected automatically, which in turn facilitates the release of thesecuring mechanism and hence the opening of the sealing arrangement. Fora user, the mechanical securement of the sealing position additionallyprovided by the securing mechanism thus is without any disturbinginfluence on the opening of the sealing arrangement.

Thus, the proposed solution is advantageous in particular for use on aliquid reservoir, for example a drink bladder. Via a design variant of aproposed sealing arrangement, a hollow body of the liquid reservoirprovided for receiving a liquid can be sealed at an opening viawhich—with an open sealing arrangement—liquid can be filled into thehollow body. A securing mechanism of the sealing arrangement here cancounteract in particular a removal of the closure compound from thethird sealing part due to an increased internal pressure in the hollowbody at least partly filled with liquid.

In this context it can be provided in particular that the hollow body isbordered by at least one flexible wall to which a closing portion of thesealing arrangement is connected. By introducing liquid into the hollowbody, but also by a pressure applied onto a flexible wall from outsidewith a hollow body at least partly filled with liquid, quiteconsiderable shear forces can act on the sealing parts at the sealingarrangement sealing the opening. Via the additionally provided securingmechanism, it then is ensured that such shear forces do not lead to anundesired opening of the sealing arrangement.

The proposed solution furthermore comprises a drink bladder with adesign variant of a proposed sealing arrangement, in which a hollow bodyprovided for receiving liquid is bordered by flexible walls and thesealing parts of the sealing arrangement are provided at correspondinglyflexible closing portions connected to an associated wall.

In one design variant, the first strip body of the first sealing partthen for example is enclosed between an inner layer and an outer layerof a first wall that borders a cavity of the hollow body to be sealed bythe sealing arrangement. Additionally or alternatively, the second stripbody of the second sealing part can be enclosed between an inner layerand an outer layer of a second wall of the hollow body. The respectivestrip body, which can be designed as a massive strip-shaped tape, thusis disposed in an intermediate layer between the inner layer and theouter layer and thus is enclosed between the layers and hence inwardlycovered by the inner layer and outwardly covered by the outer layer.

In one design variant, the first closing portion is formed by the innerlayer of the first wall and the second closing portion is formed by theinner layer of the second wall. The closing portion of the respectivewall thus is integrally molded to the inner layer of the respectivewall. In the closed position, the closing portions flatly rest againsteach other and produce a sealing termination so that the hollow body issealingly closed towards the outside, in particular so fluid-tightlythat no moisture can get into the interior of the hollow body.

In one design variant, the first wall and/or the second wall areflexible. In particular, both the first wall and the second wall can beflexible and pliable so that the hollow body can be deformed in aflexible, easily moldable way and thus can adapt in its shape to receivean object. Due to the walls, the hollow body thus is designed in theform of a bag in which an object, in particular an electronic objectsuch as a mobile phone or another object of daily life, can be receivedor be enclosed in a protective way. Alternatively, the hollow body canbe configured for receiving a liquid and hence e.g. as part of a drinkbladder.

In principle, first and second walls to which the first and secondclosing portions of a proposed closure device are connected can be partof a continuous wall element. Thus, the first and second walls inparticular can be formed in one piece. For example, first and secondwalls facing each other in a cross-sectional view can be formed by asingle, one-piece wall element in the form of a blow-molded part.

BRIEF DESCRIPTION OF THE DRAWINGS

The attached Figures by way of example illustrate possible designvariants of the proposed solution.

FIG. 1 shows a view of a storage device with a hollow body and a sealingarrangement according to an exemplary embodiment;

FIG. 2 shows an exploded view of the arrangement of FIG. 1 ;

FIG. 3A shows a frontal view of the storage device;

FIG. 3B shows a sectional view along line A-A of FIG. 3A;

FIG. 3C shows an enlarged view in section B of FIG. 3B;

FIG. 4 shows a view of a storage device with a hollow body and a sealingarrangement according to another exemplary embodiment;

FIG. 5 shows an exploded view of the arrangement of FIG. 4 ;

FIG. 6A shows a frontal view of the storage device;

FIG. 6B shows a sectional view along line C-C of FIG. 6A;

FIG. 6C shows an enlarged view in section C of FIG. 6B;

FIG. 7 shows a view of a storage device with a hollow body and a sealingarrangement according to yet another exemplary embodiment;

FIG. 8 shows an exploded view of the arrangement of FIG. 7 ;

FIG. 9A shows a frontal view of the storage device;

FIG. 9B shows a sectional view along line A-A of FIG. 9A;

FIG. 9C shows an enlarged view in section B of FIG. 9B;

FIGS. 10A-10B show a development of the storage device shown in FIGS. 1to 9C, on which a proposed securing mechanism additionally is provided,which is shown in two different positions;

FIGS. 11A-11B show another design variant with an additional securingmechanism, which here includes two strip-shaped securing tabs, which inFIG. 11A are folded down and in FIG. 11B are pivoted into a securingposition;

FIG. 12 in a sectional view corresponding with FIG. 3C shows anotherdesign variant in which a securing mechanism is provided, whichcomprises two securing parts engaging one behind the other under a load;

FIG. 13 in a view corresponding with FIG. 12 shows a development inwhich the reaching of a desired position of a securing part of thesecuring mechanism is magnetically supported;

FIG. 14 in a view corresponding with FIG. 12 shows another developmentin which an additional mechanical securement is provided via aprotruding securing web;

FIG. 15 shows a front view of another design variant of a proposedstorage device in the form of a drink bladder with a design variant of aproposed sealing arrangement;

FIG. 15A shows a sectional view corresponding to the sectional line A-Aof FIG. 15 ;

FIGS. 16A-16C each in an enlarged view of section C of FIG. 15A show adevelopment of the sealing arrangement in different phases on closingand opening, in which a securing part of the closure compound isdisplaced into an engagement position under magnetic force control, whenthe closure compound takes a sealing position and the engagementposition is defined by an additional form-fit element on the side of theclosure compound;

FIGS. 17A-17B in views corresponding with FIGS. 16A-16C show anotherdesign variant in different phases on closing of the closure device;

FIGS. 18A-18B in views corresponding with FIGS. 17A and 17B show anotherdesign variant in which a securing part on the side of the closurecompound is provided on the first sealing part.

DESCRIPTION OF THE INVENTION

FIGS. 1 to 3A-3C show views of a first exemplary embodiment of a storagedevice 1 which has a hollow body 10 that is bordered by walls 100, 101and is designed to hold an object, in particular an electronic objectsuch as a mobile phone or another object of daily life, for example awallet or a means of payment. The storage device 1 can also be a liquidreservoir, such as for example a drink bladder. In the hollow body 10 aliquid then is stored, which can flow off via an outlet 10A provided atthe hollow body 10, e.g. into a drinking tube connected thereto.

The walls 100, 101 are connected to each other for example by welding onparallel lateral edges spaced apart from each other along a transversedirection x and on a lower edge along a vertical direction z and are tobe sealed by a sealing arrangement 2 in the region of an upper end sothat an inner volume of the hollow body 10 or a cavity defined therewithis sealingly closed in a closed position of the storage device 1. As canbe taken from the sectional view of FIG. 3C, each wall 100, 101 isformed by two layers 106, 107, of which an inner layer 106 pointstowards the inner volume of the hollow body 10 and an outer layer 107points towards the outside.

The walls 100, 101 are of flexible design so that the hollow body 10 isflexibly deformable, in particular in order to be able to flexiblyreceive an object therein or to expand on receipt of a liquid in thehollow body 10.

The closure device 2 includes three sealing parts 20, 21, 22. Of thesesealing parts 20, 21, 22 a first sealing part 21 is arranged on aclosing portion 104 of the first wall 100, while a second sealing part20 is arranged on a closing portion 105 of the second wall 101 in such away that the sealing parts 20, 21 extend along the vertical direction zat the same height on the respectively associated wall 100, 101. Thesealing parts 20, 21 cooperate in a magnetically attracting manner sothat in the closed position of the sealing arrangement 2 the closingportions 104, 105, which are each formed by the inner layer 106 of theassociated wall 100, 101, flatly and thus sealingly rest against eachother and form a closure compound 2V.

A third sealing part 22 is arranged on a portion 102 of the first wall100 which is offset from the closing portion 104 of the first wall 100and, as seen along a path of extension proceeding from the closingportion 104 in a cross-section as shown in FIG. 3C, arrangedtransversely offset from the first sealing part 21.

The sealing parts 20, 21, 22 each include a strip body 202, 212, 222that is longitudinally extended along the transverse direction x andthus extends transversely to the vertical direction z.

The sealing parts 20, 21, 22 are designed to cooperate in a magneticallyattracting manner. In the illustrated exemplary embodiment, the stripbodies 202, 212, 222 are each formed from a magnetically actingmaterial, for example in that the strip bodies 202, 212, 222 are made ofa plastic material or a silicone material in which magnetically activeparticles are embedded. The strip bodies 202, 212, 222 can each act aspermanent magnets and then face each other in pairs with unlike poles insuch a way that in the sequence shown in FIG. 3C the strip bodies 202,212, 222 magnetically attract each other. Alternatively, for example,merely the strip body 212 of the first sealing part 21 can act as apermanent magnet, while the other strip bodies 202, 222 are of theferromagnetic type so that the associated sealing parts 20, 22 act as amagnetic armature. It is also conceivable, for example, that the sealingparts 20, 21 are designed to be permanently magnetic at their stripbodies 202, 212, while the strip body 222 of the third sealing part 22acts ferromagnetically.

As can be taken for example from FIG. 3C, the strip bodies 202, 212, 222are enclosed between the inner layer 106 and the outer layer 107 of therespectively associated wall 100, 101. The strip bodies 212, 222 of thesealing parts 21, 22 are enclosed between the inner layer 106 and theouter layer 107 of the first wall 100, while the strip body 202 of thesealing part 20 is enclosed between the inner layer 106 and the outerlayer 107 of the second wall 101.

The closing portions 104, 105 are urged into flat contact with eachother by the first sealing part 21 and the second sealing part 20 insuch a way that the closing portions 104, 105 formed by the inner layers106 of the walls 100, 101 rest against each other in the manner ofmembranes and thus sealingly close the hollow body 10. The closurecompound 2V formed by the sealing parts 21 is held in a defined sealingposition by the third sealing part 22, wherein a 180° convolution of thewalls 100, 101 in a region between the closing portions 104, 105 andportions 102, 103 transversely offset from the closing portions 104, 105is effected, as this can be taken from FIG. 3C. The tightness of theclosure device 2 in the closed position thereby is still improved.

The first sealing part 21 and the second sealing part 20 each include ahandle element 200, 210 which can be grasped by a user. By action on thesealing parts 20, 21, the sealing parts 20, 21 can be released inparticular from the further, third sealing part 22 and be adjusted intoa release position. In this release position, the sealing parts 20, 21can be moved away from each other along an opening direction y, which isperpendicular to the transverse direction x and to the verticaldirection z, and hence the closing portions 104, 105 can be separatedfrom each other so that the interior of the hollow body 10 is accessiblethrough the opening cleared thereby.

In an exemplary embodiment shown in FIGS. 4 to 6A-6C, the strip bodies202, 212, 222 are not entirely made of a magnetic material, but eachinclude an arrangement of receiving openings 201, 211, 221 in whichdiscrete magnetic elements of one magnet arrangement 23, 24, 25 each arereceived. The discrete magnetic elements are lined up one beside theother along the transverse direction x and thus form a linear array ofmagnetic elements, wherein in the closed position the magnetarrangements 23, 24, 25 of the different sealing parts 20, 21, 22cooperate in a magnetically attracting manner and thus sealingly closethe hollow body 10 via the closing portions 104, 105.

The discrete magnetic elements of the magnet arrangements 23, 24, 25 caneach be formed by discrete permanent magnets, for example from aneodymium material. It is also conceivable, however, that merely onemagnet arrangement 23, 24, 25 or two of the magnet arrangements 23, 24,25 include discrete permanent magnets, while the other magnetarrangements 23, 24, 25 are formed of discrete ferromagnetically activeelements.

Otherwise, the exemplary embodiment of FIGS. 4 to 6A-6C is functionallyidentical to the exemplary embodiment of FIGS. 1 to 3A-3C, in particularalso with regard to the manufacture of parts of the storage device 1from a material containing an antimicrobially active additive so that inthis respect reference fully will be made to the preceding explanations.

The exemplary embodiment of FIGS. 7 to 9A-9C corresponds to theexemplary embodiment of FIGS. 4 to 6A-6C, wherein in this case there isno third sealing part 22, like in the exemplary embodiment of FIGS. 4 to6A-6C, and the sealing arrangement 2 thus is formed by merely twosealing parts 20, 21. Otherwise, the storage device 1 is functionallyidentical to the storage device 1 of FIGS. 4 to 6A-6C.

FIGS. 10A to 18B show design variants of the proposed solution, in whichthe sealing arrangement 2 is further developed with a securing mechanismS. Via this securing mechanism S, the sealing position of the closurecompound 2V additionally is mechanically secured. The securing mechanismS in particular is adapted to absorb shear forces (in the xz-plane or inthe vertical direction z, −z) and/or lifting forces (in the spatialdirection y), which act as a result of an increased internal pressure inthe hollow body 10, for example due to a liquid received therein. Underthe effect of these shear forces there is otherwise an increased riskfor the closure compound 2V to be moved away from the third sealing part22 and to be folded about the spatial axis parallel to the x-direction(upwards) into the release position, and in addition for the two sealingparts 20 and 21 to be moved away from each other.

In the design variant of FIGS. 10A and 10B, an additional securingelement in the form of a securing tab 3 is arranged on the closurecompound 2V. This securing tab 3 is fixed to the second sealing part 20and forms a carrier body for a pair of first securing parts 3.1, 3.2.The first securing parts 3.1 and 3.2 protrude from an inner surface 31of the securing tab 3 with a securing pin and in the sealing position ofthe closure compound 2V are completely covered by an outer surface ofthe securing tab 3.

When the closure compound 2V is folded into its sealing positioncorresponding to FIG. 10B, the first securing parts 3.1, 3.2automatically positively snap into second securing parts 4.1 and 4.2 ofthe securing mechanism S, which are arranged on the wall 100. On thesecond securing parts 4.1 and 4.2, which are arranged at a distance tothe third sealing part 22 in z-direction, engagement openings 41 and 42are formed, into each of which the securing pins of the first securingparts 3.1 and 3.2 snap into place. In the present case, a magnetarrangement each is provided in a pair of first and second securingparts 3.1/4.1, 3.2/4.2 in such a way that the first securing parts 3.1or 3.2 each are adjusted into a positive locking position on therespective second securing part 4.1 or 4.2 with magnetic support, whenon folding of the closure compound 2V the first securing part 3.1, 3.2has been approached sufficiently to the associated second securing part4.1, 4.2 and hence to the securing tab 3. By action of the respectivemagnet arrangement, the respective first securing part 3.1, 3.2 isdisplaced into the proper locking position along an insertion gap 410 or420, which is provided on the engagement opening 41, 42 of itsassociated second securing part 4.1 or 4.2 and extends radially withrespect to the engagement opening 41 or 42. Thus, a pair of securingparts 3.1/4.1, 3.2/4.2 each forms a magnetically supported closure.

When the closure compound 2V is in the proper sealing position withrespect to the third sealing part 22, the securing mechanism S and theinterlocking securing parts 3.1/4.1, 3.2/4.2 additionally mechanicallysecure the closure compound 2V against folding back into the releaseposition. To release the securing mechanism S, a release force F_(L)must specifically be applied onto the securing tab 3 by a user in orderto bring the first and second securing parts 3.1/4.1, 3.2/4.2 out ofengagement. The release force F_(L) must be applied in order to displacethe first securing parts 3.1, 3.2, which are fixed to the securing tab3, along the respective insertion gap 410 or 420 out of an engagementopening 41 and 42 of the associated wall-side second securing part 4.1and 4.2. In the illustrated exemplary embodiment, the insertion gaps 410and 420 extend parallel to each other in the z-direction so that therelease force F_(L) must be applied onto the securing tab 3 along thez-direction.

Alternatively, however, another orientation of the insertion gaps 410,420 is of course also possible. In particular, it is conceivable thatthe insertion gaps 410, 420 each are open in the transverse direction xand hence the securing tab 3 initially must be displaced transversely,before folding back of the closure compound 2V and hence a completeremoval from the third sealing part 22 is possible.

In the design variant of FIGS. 11A and 11B, the securing mechanism Sincludes two securing parts in the form of narrow, strip-shaped securingtabs 223A, 223B which are provided via one film hinge 222A or 222B eachat a respective longitudinal end of the third strip body 222 of thethird sealing part 22. The securing tabs 223A and 223B thus are eacharticulated to the strip body 222 of the third sealing part 22 via afilm hinge 222A or 222B.

In addition, additional securing parts of the securing mechanism S inthe form of securing pins 204A and 204B are formed on the second stripbody 202 of the second sealing part 20. The securing pins 204A and 204Bprotrude from the strip body 202 in the y-direction, when the closurecompound 2V is in its sealing position with respect to the third sealingpart 22. On the securing tabs 223A and 223B, (shear force) receptacles224A and 224B in the form of through openings are each formed, which byfolding the securing tabs 223A and 223B about a joint axis defined withthe respective film hinge 222A and 222B and extending parallel to thez-direction can be positively brought in engagement with an associatedsecuring pin 204A or 204B.

The securing pins 204A and 204B each are provided at a distance to alongitudinal end of the strip body 202 so that a securing tab 223A or223B always encloses at least one end of the strip body 202 when itsreceptacle 224A or 224B has been brought in engagement with theassociated securing pin 204A or 204B. A flat portion of the respectivesecuring tab 223A or 223B hence is disposed directly opposite a portionof the strip body 202.

To support the positive connections between the securing tabs 223A, 223Bof the third sealing part 22 and the second sealing part 20 of theclosure compound 2V in the securing position of the securing tabs 223A,223B defined therewith and illustrated in FIG. 11B, there can beprovided a magnet arrangement with magnetic elements 205A, 205B on theclosure compound 2V and magnetic elements 225A, 225B on the securingtabs 223A, 223B. The magnetic elements 205A, 205B of the closurecompound 2V, which in FIG. 11A by way of example are arranged on thesecond strip body 202 of the second sealing part 20, cooperate with themagnetic elements 225A and 225B of the securing tabs 223A or 223B in amagnetically attracting manner. In this way, the abutment of the foldedsecuring tabs 223A, 223B against the strip body 202 and the engagementof a respective securing pin 204A, 204B on the side of the strip bodyinto a tab-side receptacle 224A or 224B are supported.

Via the securing tabs 223A and 223B of the securing mechanism S in thevariant of FIGS. 11A and 11B, which each are unilaterally articulated tothe third sealing part 22, in particular lifting of the closure compound2V from the third sealing part 22 or of the longitudinal ends of thestrip bodies of the sealing parts 20, 21, 22 from each other (in thespatial direction y) by action of an increased internal pressure in thehollow body 10, and hence an undesired opening of the sealingarrangement 2 in the case of a cavity 10 filled with liquid, iscounteracted. The design variant of FIGS. 11A and 11B hence is alsosuitable in particular for a utilization of the storage device 1 asdrink bladder.

In the design variants of FIGS. 12, 13 and 14 , the sealing arrangement2 is each shown in a sectional representation corresponding to FIG. 3C.In each of the design variants shown with FIGS. 12, 13 and 14 , thesealing arrangement 2 is again formed with an additional securingmechanism S. This securing mechanism S again counteracts a removal ofthe closure compound 2V disposed in the sealing position from the thirdsealing part 22 and hence in particular a shearing off from the thirdsealing part 22 and possibly a separation of the two closing layers 104and 105 from each other by a defined form fit—here between the closurecompound 2V and the third sealing part 22. The securing mechanism S,however, each is configured in such a way that by pulling the closurecompound 2V along the spatial direction y with a release force F_(L)—inany case in an unloaded state of the sealing arrangement 2—the closurecompound 2V can easily be removed from the third sealing part 22 by auser and can be folded back into the release position (upwards), whenfor example liquid is to be refilled into the hollow body 10 via theopening between the closing portions 104 and 105.

In the design variant of FIG. 12 , the securing mechanism S includes afirst securing part in the form of a securing hook 216 on the firstsealing part 21. In the sealing position of the closure compound 2V, thesecuring hook 216 protrudes from the first sealing part 21 in thedirection −y towards the (first) wall 100. For example, the securinghook 216 therefor is formed on the handle element 210.

In the sealing position of the closure compound 2V, the securing hook216 is disposed opposite a securing cutout 226 of a second securing partof the securing mechanism S, which is formed by the third sealing part22. The securing cutout 226 is open in the z-direction so that thesecuring hook 216 protruding from the first sealing part 21 in the−y-direction can positively engage into the securing cutout 226 with ahook end protruding in the −z-direction and hence can locally engagebehind the third sealing part 22.

In the sealing position of the closure compound 2V, the securing hook216 initially is in an intermediate position in which the securing hook216 does not (yet) engage into the securing cutout 226 with its hookend. In the intermediate position, however, the securing hook 216 isdisposed opposite the securing cutout 226 in such a way that under aload acting on the sealing arrangement 2 due to an increased internalpressure in the hollow body 10 and a resultant pressure or shear forcecomponent F_(D) on the closure compound 2V, which acts in the direction−z, the securing hook 216 is brought into positive engagement with thesecuring cutout 226. Thus, by action of the increased internal pressurethe securing hook 216 is displaced into an engagement position in whichthe securing hook 216 engages behind a portion of a second securing partformed by the third sealing part 22 and in this way blocks the closurecompound 2V against removal from the third sealing part 22. Hence, theclosure compound 2V is also blocked against folding (in FIG. 12 inclockwise direction) about the spatial axis parallel to the spatialdirection −x into the release position.

In the development of FIG. 13 , a positioning portion 227 protruding inthe y-direction is provided on the wall 100 opposite the safety cutout226. This wall-side positioning portion 227 carries a magnetic element227M which cooperates with a magnetic element 210M of the first sealingpart 21 in a magnetically attracting manner. The magnetic element 210Mon the side of the sealing part here by way of example is integrated inthe handle element 210. Via the force of magnetic attraction between themagnetic elements 210M and 227M, the proper positioning of the securinghook 216 with respect to the securing cutout 226 can be ensured byfolding the closure compound 2V into its sealing position. Inparticular, it can thereby be ensured that upon folding of the closurecompound 2V into its sealing position, the securing hook 216 engagesinto an engagement opening 2260 formed between the securing cutout 226and the positioning pin 227, as desired, and is properly disposedopposite the securing cutout 226 in such a way that a positive, blockingengagement of the securing hook 216 into the securing cutout 226 ispossible.

The magnetic elements 227M and 210M can also be used to support thesecuring hook 216 in taking the engagement position. The magneticelements 227M and 210M can cooperate in such a way that the securinghook 216 is automatically displaced from the intermediate position shownin FIG. 13 into the engagement position or at least a correspondingadjustment into the engagement position is supported. Thus, when thesecuring hook 216 properly engages into the engagement opening 2260 withthe closure compound 2V being folded into the sealing position, thesecuring hook 216 is driven further into the engagement position byaction of the magnetic elements 227M and 210M. In the engagementposition, the securing hook 216 then engages behind the third sealingpart 22. In the securing position defined thereby, a positive blockingengagement between closure compound and third sealing part 22 thus isgiven already, which in the securing position of the design variant ofFIG. 12 is produced only by loading the sealing arrangement 2.

In the design variant of FIG. 14 , a securing part in the form of asecuring web 207 is provided on the closure compound 2V as part of thesecuring mechanism S. This securing web 207 is formed on the secondsealing part 20 and, in the sealing position of the closure compound 2V,protrudes from the second sealing part 20 in the direction of the firstwall 100 and hence in the direction −y. The securing web 207 protrudesto such an extent that one end of the securing web 207 engages below orbehind the third sealing part 22—as seen in the z-direction. Thus, inthe −z-direction the securing web 207 and hence the closure compound 2Vdisposed in its sealing position cannot be displaced past the thirdsealing part 22. An adjustment of the closure compound 2V in the−z-direction thus is mechanically blocked by the cooperation of thesecuring web 207 with the third sealing part 22. A shear-force-relatedremoval of the closure compound 2V from the third sealing part 22, forinstance due to an increased internal pressure in the cavity 10,consequently also is prevented thereby. The securing web 207 first mustbe adjusted away from the wall 10 and hence also away from the thirdsealing part 22 by a targeted displacement of the closure compound 2V inthe y-direction so that the securing web 207 no longer blocks folding ofthe closure compound 2V.

FIG. 15 shows a front view of another design variant of a proposedstorage device in the form of a drink bladder 1 with an outlet 10A forthe connection of a drinking tube to the hollow body 10. FIG. 15A showsthe drink bladder 1 of FIG. 15 in a sectional view. FIGS. 16A-16C,17A-17B and 18A-18B show further variants of the sealing arrangement 2in an enlarged view corresponding to section C of FIG. 15A.

In the variant of FIGS. 16A-16C, analogous to the exemplary embodimentof FIG. 13 , the closure compound 2V is formed with an additionalsecuring component in the form of a securing hook 206, which in thesealing position of the closure compound 2V can positively engage into asecuring cutout 226 on the third sealing part 22 in order toadditionally mechanically secure the sealing position of the closurecompound 2V. In contrast to the exemplary embodiment of FIG. 13 , thesecuring hook 206 is not formed on the first sealing part 21, but on thesecond sealing part 20, here by way of example on a handle body 2000 ofthe handle element 200. Hence, the securing hook 206 in the designvariant of FIGS. 16A to 16C is formed to protrude from that secondsealing part in the direction of the wall 100 which in the sealingposition of the closure compound 2V is located before the first andthird sealing parts 21, 22 as seen along the direction −y (opposite tothe opening direction y).

On the wall 100 an engagement opening 2260 for the securing hook 206 onthe side of the closure compound again is defined between the strip body222 of the third sealing part 22 and a positioning portion 227 spacedapart therefrom in the vertical direction z. To facilitate theintroduction of the securing hook 206 into the engagement opening 2260,the handle body 2000 is articulated to the strip body 202 of the secondsealing part 20. For this purpose, a wall thickness in a transitionportion A between the strip body 202 and the handle body 2000 adjoiningthereto in the vertical direction z is reduced specifically and isvisible as an indentation in the cross-section of FIGS. 16A to 16C. Inthis way, a specific elasticity is incorporated at the transitionportion A between the strip body 202 and the handle body 2000 in orderfor a user to be able to displace the handle body 2000 relative to thestrip body 202 about a joint axis extending parallel to the transversedirection x. Thus, the handle body 200 can be connected to the stripbody 202 in particular via a film hinge defined with the transitionportion A.

With the transfer of the closure compound 2V into its sealing positioncorresponding to FIG. 16A, the securing hook 206 is introduced into theengagement opening 2260 and initially is disposed in an intermediateposition corresponding to FIG. 16A. Via magnetic elements 227M and 200Mof the positioning portion 227M and of the handle body 2000, which havean attracting effect on each other, the closure compound 2V with thesecuring hook 206 then is moved along the vertical direction −z (upwardsin FIGS. 16A to 16C). This results in a displacement of the securinghook 206 from the intermediate position into an engagement position inwhich the securing hook 206 positively engages into the securing cutout226 on the third sealing part 22.

To specify and possibly additionally secure the engagement positionbetween the securing hook 206 on the side of the closure compound andthe third sealing part 22, there is provided a positive connectionbetween the handle body 2000 and the positioning portion 27. A form-fitelement in the form of a latching nose 200R is formed on the handle body2000 at a distance to the securing hook 206. This latching nose 200Rpositively snaps into a latching opening 227R on the positioning portion227 when the closure compound 2V with the securing hook 206 is displacedfrom the intermediate position into the engagement position (cf. FIG.16B).

To release the securing mechanism S and hence again bring the securinghook 206 out of engagement with the third sealing part 22, it issufficient for a user to grasp the handle element 200 and pivot thehandle body 2000 about the joint axis defined with the transitionportion A towards the outside, i.e. away from the wall 100. The positionof the joint axis defined with the transition portion A and the securingcutout 226 as well as the securing hook 206 are adjusted to each othersuch that due to the corresponding pivotal movement the securing hook206 is moved out of the securing cutout 226 and the engagement opening2260. Hence, it is easily possible for a user to open the closure device2, although in the sealing position the closure compound 2V is securedagainst inadvertent opening in several respects and in particularcounteracts shear forces acting in the xz-plane and in the verticaldirection −z, which result from an increased internal pressure in thehollow body 10.

The design variant of FIGS. 17A and 17B in principle is comparable withthe design variant of FIGS. 16A to 16C. In contrast to the designvariant of FIGS. 16A to 16C, merely the form fit in the engagementposition between the handle body 2000 and the positioning portion 227 isdesigned differently in the design variant of FIGS. 17A and 17B. Insteadof a latching nose, a latching web 200R protruding like a pin incross-section is provided on the handle body 2000, which can engage intoa correspondingly formed and e.g. slit-shaped latching opening 227R onthe positioning portion 227R.

In the design variant of FIGS. 18A and 18B, analogously to the designvariants of FIGS. 16A-16C and 17A-17B, a securing mechanism S isprovided, in which the closure compound 2V with a securing part in theform of a securing hook 216 is displaced from an initially takenintermediate position into an engagement position controlled by magneticforce, in which engagement position the securing hook 216 positivelyengages into a securing cutout 226 on the third sealing part 22. In thedesign variant of FIGS. 18A-18B, the securing hook 216 is formed on thefirst strip body 212 of the first sealing part 21. The strip body 212then also magnetically cooperates with the positioning portion 227 inorder to control the automatic displacement of the closure compound 2Vinto the engagement position. In the design variant of FIGS. 18A-18B, byway of example, at least one additional magnetic element 212M thereforis provided in the strip body 212 in the vertical direction −z at adistance to the magnet arrangement 24. This at least one additionalmagnetic element 212M of the first sealing part 21 by way of examplecooperates with at least one magnetic element 227M of the positioningportion 27 in order to displace the closure compound 2V folded in thedirection of the wall 100 from the initially taken intermediate positionin the vertical direction −z (upwards) into the engagement position.

In an alternative design variant it is of course also possible that theclosure compound 2V is repeatedly folded or rolled about an axisparallel to the transverse direction x in order to take the sealingposition on the wall 100. Furthermore, for securing the sealing positionby means of the securing mechanism S, it is not absolutely necessaryeither that a third sealing part 22 cooperates with the closure compound2V in a magnetically attracting manner. Consequently, in the designvariants of FIGS. 10A to 18B, in particular a magnet arrangement 25 canbe omitted in the strip body 222 of the third sealing part 22 withoutthis impairing the functions of the securing mechanism S.

The idea underlying the proposed solution is not limited to theexemplary embodiments described above, but can also be realized in anentirely different way.

LIST OF REFERENCE NUMERALS

-   -   1 storage device/drink bladder (liquid reservoir)    -   10 hollow body    -   10A outlet    -   100, 101 wall    -   102, 103 portion    -   104, 105 closing portion    -   106 inner layer    -   107 outer layer    -   2 sealing arrangement    -   2V closure compound    -   21, 22 sealing part    -   200, 210 handle element    -   200M magnetic element    -   200R latching nose/latching web (form-fit element)    -   2000 handle body    -   201, 211, 221 receiving openings    -   202, 212, 222 strip body    -   204A, 204B securing pin (securing part)    -   205A, 205B magnetic element    -   206 securing hook (securing part)    -   207 securing web (securing part)    -   210M magnetic element    -   212M magnetic element    -   216 securing hook (securing part)    -   222A, 222B film hinge    -   223A, 223B securing tab (securing part)    -   224A, 224B receptacle    -   225A, 225B magnetic element    -   226 securing cutout    -   2260 engagement opening    -   227 positioning portion    -   227M magnetic element    -   227R latching opening    -   23, 24, 25 magnet arrangement    -   3 securing tab (securing element)    -   3.1, 3.2 first securing part    -   30 outer surface    -   31 inner surface    -   4.1, 4.2 second securing part    -   41, 42 engagement opening    -   410, 420 insertion gap    -   A transition portion    -   F_(D) pressure/shear force component    -   F_(L) release force    -   S securing mechanism    -   x, y, z direction

1. A sealing arrangement for sealing an opening that is formed between afirst closing portion and a second closing portion, wherein the sealingarrangement includes a first sealing part and a third sealing part forarrangement on the first closing portion and a second sealing part forarrangement on the second closing portion, wherein the first sealingpart has a first strip body longitudinally extended along a transversedirection, the second sealing part has a second strip bodylongitudinally extended along the transverse direction, the firstsealing part and the second sealing part cooperate in a magneticallyattracting manner in such a way that in a closed position of the closuredevice the first closing portion and the second closing portion restagainst each other and form a closure compound with the first and secondsealing parts, the closure compound can be adjusted from a releaseposition, in which the first and second closing portions can be properlyseparated from each other against a magnetic force applied by the firstand second sealing parts to clear the opening, into a sealing positionin which the closure compound and the third sealing part cooperate in amagnetically attracting manner in such a way that the closure compoundis maintained in the sealing position, and the sealing arrangementcomprises an additional securing mechanism via which the closurecompound disposed in its sealing position is additionally securedagainst removal from the third sealing part and hence against undesiredopening in the sealing position.
 2. The sealing arrangement according toclaim 1, wherein the sealing arrangement is provided for sealing anopening via which a hollow body is accessible, which is bordered by atleast one flexible wall.
 3. The sealing arrangement according to claim2, wherein the securing mechanism is adapted to counteract a removal ofthe closure compound from the sealing position due to an increasedinternal pressure in the hollow body.
 4. The sealing arrangementaccording to claim 1, wherein the closure compound can be adjusted fromthe release position by folding or rolling the first and second closingportions at least once into the sealing position.
 5. (canceled) 6.(canceled)
 7. The sealing arrangement according to claim 3, wherein thefirst and second strip bodies have two longitudinal ends and, in thesealing position, the securing mechanism is adapted to at least one ofcounteract a lifting force acting on the first and second strip bodiesat the longitudinal ends and resulting from the increased internalpressure, by action of which mutually opposite longitudinal ends of thefirst and second strip bodies strive to move away from each other, andcounteract a shear force resulting from the increased internal pressure,which acts in a middle area of the first or second strip bodies on thesealing arrangement in a plane extending parallel to the first andsecond closing portions.
 8. The sealing arrangement according to claim1, wherein via the securing mechanism there is provided a connection atleast one of between the closure compound and a wall connected to thefirst closing portion and between the closure compound, in particularthe first or second sealing part, and the third sealing part of thesealing arrangement when the closure compound is disposed in the sealingposition.
 9. The sealing arrangement according to claim 1, wherein thesecuring mechanism includes at least one securing part which secures theclosure compound in the sealing position via a form fit.
 10. The sealingarrangement according to claim 9, wherein the securing mechanismincludes at least two securing parts which in the sealing position ofthe closure compound positively cooperate with each other in order tosecure the closure compound in the sealing position.
 11. (canceled) 12.The sealing arrangement according to claim 1, wherein the sealingarrangement comprises at least one magnetic element by action of whichat least one securing part of the securing mechanism is positioned in asecuring position in which the at least one securing part can block theclosure compound via a form fit against an adjustment into the releaseposition.
 13. The sealing arrangement according to claim 12, wherein atleast one of on transfer of the closure compound into its sealingposition the at least one securing part is also adjusted into thesecuring position with the participation of the at least one magneticelement, and the at least one securing part can be adjusted into thesecuring positon only after transfer of the closure compound into itssealing position.
 14. (canceled)
 15. The sealing arrangement accordingto claim 1, wherein an additional securing element is provided at theclosure compound, to which at least one securing part of the securingmechanism is fixed at a distance to the first and second sealing parts.16. The sealing arrangement according to claim 8, wherein an additionalsecuring element is provided on the closure compound, to which at leastone securing part of the securing mechanism is fixed at a distance tothe first and second sealing parts, and wherein the securing partprovided on the securing element forms a first securing part, which inthe sealing position of the closure compound is positively connected toa second securing part that is provided on the wall.
 17. The sealingarrangement according to claim 1, wherein after transfer of the closurecompound into its sealing position at least one securing part of thesecuring mechanism can be adjusted into a securing position by pivotingabout at least one joint axis, in which securing position the at leastone securing part secures the closure compound disposed in its sealingposition.
 18. (canceled)
 19. (canceled)
 20. (canceled)
 21. (canceled)22. (canceled)
 23. The sealing arrangement according claim 17, whereinon the at least one securing part at least one receptacle is provided,into which a further securing part of the securing mechanism positivelyengages in the securing position, and/or on the at least one securingpart at least one form-fit element is provided, which in the securingposition positively engages into a receptacle of a further securing partof the securing mechanism.
 24. The sealing arrangement according toclaim 1, wherein the closure compound can be transferred from therelease position into the sealing position by folding or rolling theclosure compound at least once about a pivot axis parallel to a firstspatial direction, a magnetic force for holding the closure compound inits sealing position with respect to the third sealing part acts along aspatial axis that is parallel to a second spatial direction extendingperpendicularly to the first spatial direction, and via the securingmechanism the closure compound is secured against removal from the thirdsealing part by action of a shear force which points in a third spatialdirection that is both perpendicular to the first spatial direction andperpendicular to the second spatial direction.
 25. (canceled)
 26. Thesealing arrangement according to claim 17, wherein that the joint axisextends parallel to the third spatial direction and the securingmechanism includes at least one securing part which is disposed in anintermediate position when the closure compound reaches the sealingposition, and the securing part can be displaced from the intermediateposition into an engagement position in which the securing part blocksthe closure compound against an adjustment along the third spatialdirection.
 27. The sealing arrangement according to claim 26, wherein atleast one of in the engagement position the at least one securing partblocks the closure compound against an adjustment along the thirdspatial direction and against an adjustment along the second spatialdirection, in particular wherein the sealing arrangement comprises atleast one magnetic element by action of which the at least one securingpart of the securing mechanism is automatically positioned in theintermediate position when the closure compound is transferred into itssealing position, and the sealing arrangement comprises at least onemagnetic element which the participation of which the at least onesecuring part is adjusted from the intermediate position into theengagement position.
 28. (canceled)
 29. (canceled)
 30. (canceled)
 31. Aliquid reservoir, comprising a hollow body for receiving a liquid,wherein the liquid can be filled into the hollow body via an openingthat can be sealed by a sealing arrangement for sealing the opening thatis formed between a first closing portion and a second closing portion,wherein the sealing arrangement includes a first sealing part and athird sealing part for arrangement on the first closing portion and asecond sealing part for arrangement on the second closing portion,wherein the first sealing part has a first strip body longitudinallyextended along a transverse direction, the second scaling part has asecond strip body longitudinally extended along the transversedirection, the first sealing part and the second sealing part cooperatein a magnetically attracting manner in such a way that in a closedposition of the closure device the first closing portion and the secondclosing portion rest against each other and form a closure compound withthe first and second sealing parts, and the closure compound can beadjusted from a release position, in which the first and second closingportions can be properly separated from each other against a magneticforce applied by the first and second sealing parts to clear theopening, into a sealing position in which the closure compound and thethird sealing part cooperate in a magnetically attracting manner in sucha way that the closure compound is maintained in the sealing position,and the sealing arrangement comprises an additional securing mechanismvia which the closure compound disposed in its sealing position isadditionally secured against removal from the third sealing part andhence against undesired opening in the sealing position.
 32. (canceled)33. The liquid reservoir according to claim 31, wherein the liquidreservoir is configured as a drink bladder.
 34. A sealing arrangementfor sealing an opening that is formed between a first closing portionand a second closing portion, and via which a hollow body is accessible,which is bordered by at least one flexible wall, wherein the sealingarrangement includes a first sealing part for arrangement on the firstclosing portion and a second sealing part for arrangement on the secondclosing portion, wherein the first sealing part has a first strip bodylongitudinally extended along a transverse direction, the second sealingpart has a second strip body longitudinally extended along thetransverse direction, the first sealing part and the second sealing partcooperate in a magnetically attracting manner in such a way that in aclosed position of the closure device the first closing portion and thesecond closing portion rest against each other and form a closurecompound with the first and second sealing parts, the closure compoundcan be adjusted from a release position, in which the first and secondclosing portions can be properly separated from each other against amagnetic force applied by the first and second sealing parts to clearthe opening, by folding or rolling the first and second closing portionsat least once into a sealing position, and the sealing arrangementcomprises a securing mechanism via which the closure compound disposedin its sealing position is secured against an inadvertent removal of theclosure compound from the sealing position due to an increased internalpressure in the hollow body.